How wide is the default margin?



The default <body> margin is 8px in HTML. It is defined in pixels by the user-agent-stylesheet your browser provides. Some browsers allow you to create and use your own user-agent-stylesheet, but if you are developing a website, keep it the same.

Default Margin in HTML

Example

Let us see a simple example. Here, since the default margin is 8px, we won’t try to change it −

<!DOCTYPE html> <html> <title>Example</title> <head> <style> body { background: orange; } </style> <body> <h1>Free Resources</h1> <p>We have the following resources for the users:</p> <div id="container"> <ul> <li>Video Courses</li> <li>Notes</li> <li>Interview QA</li> <li>MCQs</li> </ul> </div> </body> </html>

Change the Default Margin in HTML

Example

Now, let us change the default margin −

<!DOCTYPE html> <html> <title>Example</title> <head> <style> body { background: orange; margin: 25px; } </style> <body> <h1>Free Resources</h1> <p>We have the following resources for the users:</p> <div id="container"> <ul> <li>Video Courses</li> <li>Notes</li> <li>Interview QA</li> <li>MCQs</li> </ul> </div> </body> </html>

You can easily compare both the above examples and spot the margin difference.


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